1 #include <exec/types.h>
2 #include <exec/memory.h>
3 #include <exec/tasks.h>
4 #include <hardware/intbits.h>
5 #include <libraries/expansion.h>
6 #include <libraries/expansionbase.h>
8 #include <proto/exec.h>
9 #include <proto/expansion.h>
15 #include "fix_mem_region.h"
18 #define A314_MANUFACTURER 0x07db
19 #define A314_PRODUCT 0xa3
21 #define TASK_PRIORITY 80
22 #define TASK_STACK_SIZE 1024
24 struct ExpansionBase *ExpansionBase;
25 struct MsgPort task_mp;
35 struct InterruptData interrupt_data;
36 struct Interrupt ports_interrupt;
38 extern void task_main();
39 extern void init_sockets();
40 extern void IntServer();
42 void NewList(struct List *l)
44 l->lh_Head = (struct Node *)&(l->lh_Tail);
46 l->lh_TailPred = (struct Node *)&(l->lh_Head);
49 static struct Task *create_task(char *name, long priority, char *initialPC, unsigned long stacksize)
51 char *stack = AllocMem(stacksize, MEMF_CLEAR);
55 struct Task *tc = AllocMem(sizeof(struct Task), MEMF_CLEAR | MEMF_PUBLIC);
58 FreeMem(stack, stacksize);
62 tc->tc_Node.ln_Type = NT_TASK;
63 tc->tc_Node.ln_Pri = priority;
64 tc->tc_Node.ln_Name = name;
65 tc->tc_SPLower = (APTR)stack;
66 tc->tc_SPUpper = (APTR)(stack + stacksize);
67 tc->tc_SPReg = (APTR)(stack + stacksize);
69 AddTask(tc, initialPC, 0);
73 static void init_message_port()
75 task_mp.mp_Node.ln_Name = device_name;
76 task_mp.mp_Node.ln_Pri = 0;
77 task_mp.mp_Node.ln_Type = NT_MSGPORT;
78 task_mp.mp_Flags = PA_SIGNAL;
79 task_mp.mp_SigBit = SIGB_MSGPORT;
80 task_mp.mp_SigTask = task;
81 NewList(&(task_mp.mp_MsgList));
84 static void add_interrupt_handler()
86 interrupt_data.task = task;
87 interrupt_data.ca = ca;
89 ports_interrupt.is_Node.ln_Type = NT_INTERRUPT;
90 ports_interrupt.is_Node.ln_Pri = 0;
91 ports_interrupt.is_Node.ln_Name = device_name;
92 ports_interrupt.is_Data = (APTR)&interrupt_data;
93 ports_interrupt.is_Code = IntServer;
95 AddIntServer(INTB_PORTS, &ports_interrupt);
100 ExpansionBase = (struct ExpansionBase *)OpenLibrary(EXPANSIONNAME, 0);
104 struct ConfigDev *cd = FindConfigDev(NULL, A314_MANUFACTURER, A314_PRODUCT);
107 CloseLibrary((struct Library *)ExpansionBase);
111 ca = (struct ComArea *)cd->cd_BoardAddr;
116 task = create_task(device_name, TASK_PRIORITY, (void *)task_main, TASK_STACK_SIZE);
119 debug_printf("Unable to create task\n");
127 unsigned char discard_value = ca->a_events;
129 ca->r_events = R_EVENT_STARTED;
131 add_interrupt_handler();
133 ca->a_enable = A_EVENT_R2A_TAIL;